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  4. B cells are associated with survival and immunotherapy response in sarcoma
 
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B cells are associated with survival and immunotherapy response in sarcoma

Journal
Nature
Journal Volume
577
Journal Issue
7791
Pages
556-560
Date Issued
2020
Author(s)
Petitprez F.
de Reyniès A.
Keung E.Z.
WEI-WU CHEN  
Sun C.-M.
Calderaro J.
YUNG-MING JENG  
Hsiao L.-P.
Lacroix L.
Bougoüin A.
Moreira M.
Lacroix G.
Natario I.
Adam J.
Lucchesi C.
Laizet Y.
Toulmonde M.
Burgess M.A.
Bolejack V.
Reinke D.
Wani K.M.
Wang W.-L.
Lazar A.J.
Roland C.L.
Wargo J.A.
Italiano A.
Sautès-Fridman C.
Tawbi H.A.
Fridman W.H.
DOI
10.1038/s41586-019-1906-8
URI
https://www.scopus.com/inward/record.uri?eid=2-s2.0-85078153209&doi=10.1038%2fs41586-019-1906-8&partnerID=40&md5=a3bb8f2b841521039d7955fa4d20d877
https://scholars.lib.ntu.edu.tw/handle/123456789/473251
Abstract
Soft-tissue sarcomas represent a heterogeneous group of cancer, with more than 50 histological subtypes1,2. The clinical presentation of patients with different subtypes is often atypical, and responses to therapies such as immune checkpoint blockade vary widely3,4. To explain this clinical variability, here we study gene expression profiles in 608 tumours across subtypes of?soft-tissue sarcoma. We establish an immune-based classification on the basis of the composition of the tumour microenvironment and identify five distinct phenotypes: immune-low (A and B), immune-high (D and E), and highly vascularized (C) groups. In situ analysis of an independent validation cohort shows that class E was characterized by the presence of tertiary lymphoid structures that contain T cells and follicular dendritic cells and are particularly rich in B cells. B cells are the strongest prognostic factor even in the context of high or low CD8+ T cells and cytotoxic contents. The class-E group demonstrated improved survival and a high response rate to PD1 blockade with pembrolizumab in a phase 2 clinical trial. Together, this work confirms the immune subtypes in patients with soft-tissue sarcoma, and unravels the potential of B-cell-rich tertiary lymphoid structures to guide clinical decision-making and treatments, which could have broader applications in other diseases. ? 2020, The Author(s), under exclusive licence to Springer Nature Limited.
SDGs

[SDGs]SDG3

Other Subjects
pembrolizumab; cell; decision making; gene expression; immune system; silicon; survival; tumor; Article; B lymphocyte; cancer classification; cancer immunotherapy; cancer prognosis; cancer survival; CD8+ T lymphocyte; cell density; clinical decision making; clinical feature; cohort analysis; controlled study; cytotoxic T lymphocyte; follicular dendritic cell; gene expression profiling; human; human cell; human tissue; immunohistochemistry; lymphocytic infiltration; major clinical study; phase 2 clinical trial; phenotype; priority journal; progression free survival; retrospective study; RNA extraction; soft tissue sarcoma; tertiary lymphoid structure; treatment response; tumor microenvironment; validation study
Publisher
Nature Research
Type
journal article

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